add maixduino onboard key0.

Author: bitsk

variants/sipeed_maixduino/pins_arduino.h

@@ -19,14 +19,9 @@ extern class UARTClass Serial3;
 
 /* BOARD  PIN DEFINE */
 /* LEDs */
-#define PIN_LED_GREEN        13
-#define PIN_LED_BLUE         12
-#define PIN_LED_RED          14
 #define PIN_LED              13
 #define LED_BUILTIN          13
-#define LED_GREEN            13
-#define LED_BLUE             12
-#define LED_RED              14
+
 /* KEY */
 #define KEY0                 16
 /* MIC ARRAY */
@@ -78,14 +73,14 @@ typedef struct _pwm_fpio_set_t{
 
 #define MD_PIN_MAP(fpio) _maixduino_pin_map[(fpio)]
 
-static const uint8_t _maixduino_pin_map[14] = {4, 5, 21, 22, 23, 24, 32, 15, 14, 13, 12, 11, 10, 3};
+static const uint8_t _maixduino_pin_map[17] = {4, 5, 21, 22, 23, 24, 32, 15, 14, 13, 12, 11, 10, 3, 31, 30, 16};
 
 #define ORG_PIN_MAP(org_pin) _original_pin_map[(org_pin)]
 
-static const uint8_t _original_pin_map[48] = {255, 255, 255, 3,   0,   1,   255, 255, 255, 255, 
-                                              12,  11,  10,  9,   8,   7,   255, 255, 255, 255, 
+static const uint8_t _original_pin_map[48] = {255, 255, 255, 13,  0,   1,   255, 255, 255, 255, 
+                                              12,  11,  10,  9,   8,   7,   16, 255, 255, 255, 
                                               255, 2,   3,   4,   5,   255, 255, 255, 255, 255, 
-                                              255, 255, 6,   255, 255, 255, 255, 255, 255, 255, 
+                                              15,  14,  6,   255, 255, 255, 255, 255, 255, 255, 
                                               255, 255, 255, 255, 255, 255, 255, 255};
 
 typedef enum _analog_output_pin_t{